function byteConversion(limit) {
  if (typeof limit == "string") {
    limit = parseInt(limit);
  }
  var size = "";
  if (limit < 0.1 * 1024) {
    //小于0.1KB，则转化成B
    size = limit.toFixed(2) + " B";
  } else if (limit < 0.1 * 1024 * 1024) {
    //小于0.1MB，则转化成KB
    size = (limit / 1024).toFixed(2) + " KB";
  } else if (limit < 0.1 * 1024 * 1024 * 1024) {
    //小于0.1GB，则转化成MB
    size = (limit / (1024 * 1024)).toFixed(2) + " MB";
  } else {
    //其他转化成GB
    size = (limit / (1024 * 1024 * 1024)).toFixed(2) + " GB";
  }

  var sizeStr = size + ""; //转成字符串
  var index = sizeStr.indexOf("."); //获取小数点处的索引
  var dou = sizeStr.substr(index + 1, 2); //获取小数点后两位的值
  // if (dou == "00") {
  //   //判断后两位是否为00，如果是则删除00
  //   return sizeStr.substring(0, index) + sizeStr.substr(index + 3, 2);
  // }
  return size;
}

export default byteConversion;
